This document describes a dynamic advertisement board using real-time clock (RTC), Bluetooth, and Android. The board displays advertisements and information that can be updated remotely using an Android app via Bluetooth. It uses an ATmega16 microcontroller to interface with an RTC, Bluetooth module, EEPROM, LCD display, and keypad. The board has applications for displaying notices and schedules at colleges, hotels, hospitals, railway stations, and for parking availability. It allows for remote information updates and control. Future enhancements could include GPS and GSM capabilities to allow location-based updates and cellular connectivity.